I See
It Means
- Solid red moving North
- Dotted red line alongside the solid line
- Lined blotches where the solid lines stem out
- X over CCP soviets
- CCP moves north toward Russia to meet the soviets
- First Front Army heads in the same route as the CCP
- CCP Soviets join the march North from their bases
- KMT 4th elimates/ runns off CCP
Conclusion: The CCP matches north toward Russia to join the Soviets with the First Front Army following them, later to be outnumbered and forced to give in to the Communists.